How To Fix ESH_OM_OBJ_MODEL_REP131 - Key of back-end navigation description is not fully specified

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 131

• Message text: Key of back-end navigation description is not fully specified

What causes this issue?

The key of a backend navigation description consists of the fields
<LS>Object Type</>, <LS>Node</>, <LS>Target UI Type</>, <LS>UI Operation
</>, <LS>Target Navigation ID</>, and <LS>Language</>. At least one of
these fields is not specified.

System Response

The key is invalid.

How to fix this error?

Correct your entries accordingly.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_REP131 - Key of back-end navigation description is not fully specified ?

  The SAP error message ESH_OM_OBJ_MODEL_REP131 indicates that there is an issue with the back-end navigation description in the context of the Enterprise Search (ESH) or Object Model in SAP. This error typically arises when the key for a navigation object is not fully specified, which can prevent the system from correctly interpreting or executing the navigation request.
  Cause:
  
  Incomplete Key Specification: The error usually occurs when the key fields required for a navigation object are not fully populated or are missing. This can happen if the data model is not correctly defined or if there are inconsistencies in the data being processed.
  Configuration Issues: There may be issues with the configuration of the search model or the object model that lead to incomplete navigation descriptions.
  Data Inconsistencies: If the underlying data in the back-end system is inconsistent or incomplete, it can lead to this error when trying to navigate through the search results.
  
  Solution:
  
  Check Key Fields: Ensure that all required key fields for the navigation object are correctly specified and populated. Review the configuration of the object model to ensure that all necessary fields are included.
  Review Configuration: Go through the configuration settings for the Enterprise Search and Object Model. Make sure that the navigation descriptions are correctly defined and that all necessary parameters are set.
  Data Validation: Validate the data in the back-end system to ensure that it is complete and consistent. Look for any missing or incorrect entries that could be causing the navigation issues.
  Rebuild Index: If the issue persists, consider rebuilding the search index. This can help resolve any inconsistencies that may have arisen in the search data.
  Check Logs: Review the application logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message or the components involved (like ESH or Object Model) for any known issues or patches.
  Documentation: Refer to the official SAP documentation for Enterprise Search and Object Model configuration to ensure that all settings are correctly applied.
  Community Forums: Engage with SAP community forums or support channels to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.